28872393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20347}}^1$

素因数の和:20404

約数の個数: 16

約数和(自身を含む): 42974976

約数和(自身を除く): 14102583

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20347, 61041, 223817, 671451, 874921, 2624763, 9624131, 28872393]

約数ペア:

[(1, 28872393), (3, 9624131), (11, 2624763), (33, 874921), (43, 671451), (129, 223817), (473, 61041), (1419, 20347)]